object.h: centralize object flag allocation
[git/git.git] / http-push.c
CommitLineData
58e60dd2
NH
1#include "cache.h"
2#include "commit.h"
58e60dd2
NH
3#include "tag.h"
4#include "blob.h"
29508e1e 5#include "http.h"
aa1dbc98 6#include "refs.h"
c4e05b1a 7#include "diff.h"
aa1dbc98 8#include "revision.h"
3dfaf7bc 9#include "exec_cmd.h"
6b62816c 10#include "remote.h"
d633c882 11#include "list-objects.h"
4a16d072 12#include "sigchain.h"
29508e1e 13
081fd8d0
MK
14#ifdef EXPAT_NEEDS_XMLPARSE_H
15#include <xmlparse.h>
16#else
bee8e79d 17#include <expat.h>
081fd8d0 18#endif
58e60dd2
NH
19
20static const char http_push_usage[] =
1b1dd23f 21"git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
58e60dd2 22
92e2eb9c
JS
23#ifndef XML_STATUS_OK
24enum XML_Status {
25 XML_STATUS_OK = 1,
26 XML_STATUS_ERROR = 0
27};
28#define XML_STATUS_OK 1
29#define XML_STATUS_ERROR 0
30#endif
31
197e8951 32#define PREV_BUF_SIZE 4096
58e60dd2 33
acf59575 34/* DAV methods */
58e60dd2
NH
35#define DAV_LOCK "LOCK"
36#define DAV_MKCOL "MKCOL"
37#define DAV_MOVE "MOVE"
38#define DAV_PROPFIND "PROPFIND"
39#define DAV_PUT "PUT"
40#define DAV_UNLOCK "UNLOCK"
3dfaf7bc 41#define DAV_DELETE "DELETE"
acf59575
NH
42
43/* DAV lock flags */
44#define DAV_PROP_LOCKWR (1u << 0)
45#define DAV_PROP_LOCKEX (1u << 1)
46#define DAV_LOCK_OK (1u << 2)
47
48/* DAV XML properties */
49#define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry"
50#define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write"
51#define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive"
52#define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href"
53#define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout"
54#define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href"
aa1dbc98
NH
55#define DAV_PROPFIND_RESP ".multistatus.response"
56#define DAV_PROPFIND_NAME ".multistatus.response.href"
57#define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
acf59575
NH
58
59/* DAV request body templates */
aa1dbc98
NH
60#define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>"
61#define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
58e60dd2
NH
62#define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>"
63
75187c9d
NH
64#define LOCK_TIME 600
65#define LOCK_REFRESH 30
66
208acbfb 67/* Remember to update object flag allocation in object.h */
1b65a5aa
JH
68#define LOCAL (1u<<16)
69#define REMOTE (1u<<17)
70#define FETCHING (1u<<18)
71#define PUSHING (1u<<19)
aa1dbc98 72
3dfaf7bc
NH
73/* We allow "recursive" symbolic refs. Only within reason, though */
74#define MAXDEPTH 5
75
96f1e58f
DR
76static int pushing;
77static int aborted;
a3c57c9a 78static signed char remote_dir_exists[256];
58e60dd2 79
96f1e58f 80static int push_verbosely;
28b9d6e5 81static int push_all = MATCH_REFS_NONE;
96f1e58f 82static int force_all;
fe5d1d3e 83static int dry_run;
ae4efe19 84static int helper_status;
58e60dd2 85
96f1e58f 86static struct object_list *objects;
aa1dbc98 87
9cba13ca 88struct repo {
58e60dd2 89 char *url;
e1f33efe 90 char *path;
aa1dbc98 91 int path_len;
197e8951
NH
92 int has_info_refs;
93 int can_update_info_refs;
94 int has_info_packs;
58e60dd2 95 struct packed_git *packs;
512d632c 96 struct remote_lock *locks;
58e60dd2
NH
97};
98
7b5201a6 99static struct repo *repo;
58e60dd2
NH
100
101enum transfer_state {
197e8951
NH
102 NEED_FETCH,
103 RUN_FETCH_LOOSE,
104 RUN_FETCH_PACKED,
58e60dd2
NH
105 NEED_PUSH,
106 RUN_MKCOL,
107 RUN_PUT,
108 RUN_MOVE,
109 ABORTED,
4b05548f 110 COMPLETE
58e60dd2
NH
111};
112
9cba13ca 113struct transfer_request {
aa1dbc98 114 struct object *obj;
58e60dd2
NH
115 char *url;
116 char *dest;
aa1dbc98 117 struct remote_lock *lock;
58e60dd2
NH
118 struct curl_slist *headers;
119 struct buffer buffer;
58e60dd2
NH
120 enum transfer_state state;
121 CURLcode curl_result;
122 char errorstr[CURL_ERROR_SIZE];
123 long http_code;
197e8951 124 void *userData;
58e60dd2
NH
125 struct active_request_slot *slot;
126 struct transfer_request *next;
127};
128
96f1e58f 129static struct transfer_request *request_queue_head;
58e60dd2 130
9cba13ca 131struct xml_ctx {
acf59575
NH
132 char *name;
133 int len;
134 char *cdata;
135 void (*userFunc)(struct xml_ctx *ctx, int tag_closed);
136 void *userData;
137};
138
9cba13ca 139struct remote_lock {
75187c9d 140 char *url;
26349b2e 141 char *owner;
75187c9d 142 char *token;
dfab7c14 143 char tmpfile_suffix[41];
26349b2e
NH
144 time_t start_time;
145 long timeout;
75187c9d 146 int refreshing;
aa1dbc98
NH
147 struct remote_lock *next;
148};
149
3030baa7
NH
150/* Flags that control remote_ls processing */
151#define PROCESS_FILES (1u << 0)
152#define PROCESS_DIRS (1u << 1)
153#define RECURSIVE (1u << 2)
154
155/* Flags that remote_ls passes to callback functions */
156#define IS_DIR (1u << 0)
157
9cba13ca 158struct remote_ls_ctx {
3030baa7
NH
159 char *path;
160 void (*userFunc)(struct remote_ls_ctx *ls);
161 void *userData;
162 int flags;
163 char *dentry_name;
164 int dentry_flags;
165 struct remote_ls_ctx *parent;
26349b2e
NH
166};
167
b1c7d4aa
TRC
168/* get_dav_token_headers options */
169enum dav_header_flag {
170 DAV_HEADER_IF = (1u << 0),
171 DAV_HEADER_LOCK = (1u << 1),
172 DAV_HEADER_TIMEOUT = (1u << 2)
173};
174
2aab167a 175static char *xml_entities(const char *s)
519d05be
MH
176{
177 struct strbuf buf = STRBUF_INIT;
37141f27 178 strbuf_addstr_xml_quoted(&buf, s);
519d05be
MH
179 return strbuf_detach(&buf, NULL);
180}
181
ebaaf316
DM
182static void curl_setup_http_get(CURL *curl, const char *url,
183 const char *custom_req)
184{
185 curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
186 curl_easy_setopt(curl, CURLOPT_URL, url);
187 curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req);
188 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_null);
189}
190
191static void curl_setup_http(CURL *curl, const char *url,
192 const char *custom_req, struct buffer *buffer,
193 curl_write_callback write_fn)
194{
195 curl_easy_setopt(curl, CURLOPT_PUT, 1);
196 curl_easy_setopt(curl, CURLOPT_URL, url);
197 curl_easy_setopt(curl, CURLOPT_INFILE, buffer);
198 curl_easy_setopt(curl, CURLOPT_INFILESIZE, buffer->buf.len);
199 curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer);
200#ifndef NO_CURL_IOCTL
201 curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
202 curl_easy_setopt(curl, CURLOPT_IOCTLDATA, &buffer);
203#endif
204 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn);
205 curl_easy_setopt(curl, CURLOPT_NOBODY, 0);
206 curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req);
207 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1);
208}
209
d456c9fd
JH
210static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
211{
b1c7d4aa
TRC
212 struct strbuf buf = STRBUF_INIT;
213 struct curl_slist *dav_headers = NULL;
214
d456c9fd 215 if (options & DAV_HEADER_IF) {
b1c7d4aa
TRC
216 strbuf_addf(&buf, "If: (<%s>)", lock->token);
217 dav_headers = curl_slist_append(dav_headers, buf.buf);
218 strbuf_reset(&buf);
219 }
d456c9fd 220 if (options & DAV_HEADER_LOCK) {
b1c7d4aa
TRC
221 strbuf_addf(&buf, "Lock-Token: <%s>", lock->token);
222 dav_headers = curl_slist_append(dav_headers, buf.buf);
223 strbuf_reset(&buf);
224 }
d456c9fd 225 if (options & DAV_HEADER_TIMEOUT) {
b1c7d4aa
TRC
226 strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout);
227 dav_headers = curl_slist_append(dav_headers, buf.buf);
228 strbuf_reset(&buf);
229 }
230 strbuf_release(&buf);
231
232 return dav_headers;
233}
234
29508e1e 235static void finish_request(struct transfer_request *request);
197e8951 236static void release_request(struct transfer_request *request);
58e60dd2 237
29508e1e 238static void process_response(void *callback_data)
58e60dd2 239{
29508e1e
NH
240 struct transfer_request *request =
241 (struct transfer_request *)callback_data;
58e60dd2 242
29508e1e 243 finish_request(request);
58e60dd2
NH
244}
245
dd8239f9 246#ifdef USE_CURL_MULTI
dcdb3335 247
197e8951
NH
248static void start_fetch_loose(struct transfer_request *request)
249{
197e8951 250 struct active_request_slot *slot;
5424bc55 251 struct http_object_request *obj_req;
197e8951 252
5424bc55
TRC
253 obj_req = new_http_object_request(repo->url, request->obj->sha1);
254 if (obj_req == NULL) {
197e8951 255 request->state = ABORTED;
197e8951
NH
256 return;
257 }
258
5424bc55 259 slot = obj_req->slot;
197e8951
NH
260 slot->callback_func = process_response;
261 slot->callback_data = request;
262 request->slot = slot;
5424bc55 263 request->userData = obj_req;
197e8951
NH
264
265 /* Try to get the request started, abort the request on error */
266 request->state = RUN_FETCH_LOOSE;
267 if (!start_active_slot(slot)) {
268 fprintf(stderr, "Unable to start GET request\n");
7b5201a6 269 repo->can_update_info_refs = 0;
5424bc55 270 release_http_object_request(obj_req);
197e8951
NH
271 release_request(request);
272 }
273}
274
dd8239f9
JH
275static void start_mkcol(struct transfer_request *request)
276{
277 char *hex = sha1_to_hex(request->obj->sha1);
278 struct active_request_slot *slot;
dd8239f9 279
7b5201a6 280 request->url = get_remote_object_url(repo->url, hex, 1);
dd8239f9
JH
281
282 slot = get_active_slot();
283 slot->callback_func = process_response;
284 slot->callback_data = request;
ebaaf316 285 curl_setup_http_get(slot->curl, request->url, DAV_MKCOL);
dd8239f9 286 curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
dd8239f9
JH
287
288 if (start_active_slot(slot)) {
289 request->slot = slot;
290 request->state = RUN_MKCOL;
291 } else {
292 request->state = ABORTED;
293 free(request->url);
294 request->url = NULL;
295 }
296}
297#endif
298
197e8951
NH
299static void start_fetch_packed(struct transfer_request *request)
300{
197e8951 301 struct packed_git *target;
197e8951
NH
302
303 struct transfer_request *check_request = request_queue_head;
2264dfa5 304 struct http_pack_request *preq;
197e8951 305
7b5201a6 306 target = find_sha1_pack(request->obj->sha1, repo->packs);
197e8951
NH
307 if (!target) {
308 fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1));
7b5201a6 309 repo->can_update_info_refs = 0;
197e8951
NH
310 release_request(request);
311 return;
312 }
313
314 fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
315 fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1));
316
2264dfa5
TRC
317 preq = new_http_pack_request(target, repo->url);
318 if (preq == NULL) {
319 release_http_pack_request(preq);
320 repo->can_update_info_refs = 0;
321 return;
322 }
323 preq->lst = &repo->packs;
197e8951
NH
324
325 /* Make sure there isn't another open request for this pack */
326 while (check_request) {
327 if (check_request->state == RUN_FETCH_PACKED &&
2264dfa5
TRC
328 !strcmp(check_request->url, preq->url)) {
329 release_http_pack_request(preq);
197e8951
NH
330 release_request(request);
331 return;
332 }
333 check_request = check_request->next;
334 }
335
2264dfa5
TRC
336 preq->slot->callback_func = process_response;
337 preq->slot->callback_data = request;
338 request->slot = preq->slot;
339 request->userData = preq;
197e8951
NH
340
341 /* Try to get the request started, abort the request on error */
342 request->state = RUN_FETCH_PACKED;
2264dfa5 343 if (!start_active_slot(preq->slot)) {
197e8951 344 fprintf(stderr, "Unable to start GET request\n");
2264dfa5 345 release_http_pack_request(preq);
7b5201a6 346 repo->can_update_info_refs = 0;
197e8951
NH
347 release_request(request);
348 }
349}
350
58e60dd2
NH
351static void start_put(struct transfer_request *request)
352{
aa1dbc98 353 char *hex = sha1_to_hex(request->obj->sha1);
58e60dd2 354 struct active_request_slot *slot;
817d14a8 355 struct strbuf buf = STRBUF_INIT;
21666f1a 356 enum object_type type;
58e60dd2
NH
357 char hdr[50];
358 void *unpacked;
359 unsigned long len;
360 int hdrlen;
361 ssize_t size;
ef49a7a0 362 git_zstream stream;
58e60dd2 363
21666f1a
NP
364 unpacked = read_sha1_file(request->obj->sha1, &type, &len);
365 hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
58e60dd2
NH
366
367 /* Set it up */
368 memset(&stream, 0, sizeof(stream));
55bb5c91 369 git_deflate_init(&stream, zlib_compression_level);
225a6f10 370 size = git_deflate_bound(&stream, len + hdrlen);
028c2976
MH
371 strbuf_init(&request->buffer.buf, size);
372 request->buffer.posn = 0;
58e60dd2
NH
373
374 /* Compress it */
028c2976 375 stream.next_out = (unsigned char *)request->buffer.buf.buf;
58e60dd2
NH
376 stream.avail_out = size;
377
378 /* First header.. */
379 stream.next_in = (void *)hdr;
380 stream.avail_in = hdrlen;
55bb5c91
JH
381 while (git_deflate(&stream, 0) == Z_OK)
382 ; /* nothing */
58e60dd2
NH
383
384 /* Then the data itself.. */
385 stream.next_in = unpacked;
386 stream.avail_in = len;
55bb5c91
JH
387 while (git_deflate(&stream, Z_FINISH) == Z_OK)
388 ; /* nothing */
389 git_deflate_end(&stream);
58e60dd2
NH
390 free(unpacked);
391
028c2976 392 request->buffer.buf.len = stream.total_out;
58e60dd2 393
817d14a8 394 strbuf_addstr(&buf, "Destination: ");
7b5201a6 395 append_remote_object_url(&buf, repo->url, hex, 0);
817d14a8
TRC
396 request->dest = strbuf_detach(&buf, NULL);
397
7b5201a6 398 append_remote_object_url(&buf, repo->url, hex, 0);
dfab7c14 399 strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
817d14a8 400 request->url = strbuf_detach(&buf, NULL);
58e60dd2
NH
401
402 slot = get_active_slot();
29508e1e
NH
403 slot->callback_func = process_response;
404 slot->callback_data = request;
ebaaf316
DM
405 curl_setup_http(slot->curl, request->url, DAV_PUT,
406 &request->buffer, fwrite_null);
58e60dd2
NH
407
408 if (start_active_slot(slot)) {
409 request->slot = slot;
410 request->state = RUN_PUT;
411 } else {
412 request->state = ABORTED;
413 free(request->url);
7b899967 414 request->url = NULL;
58e60dd2
NH
415 }
416}
417
418static void start_move(struct transfer_request *request)
419{
420 struct active_request_slot *slot;
421 struct curl_slist *dav_headers = NULL;
422
423 slot = get_active_slot();
29508e1e
NH
424 slot->callback_func = process_response;
425 slot->callback_data = request;
ebaaf316 426 curl_setup_http_get(slot->curl, request->url, DAV_MOVE);
58e60dd2
NH
427 dav_headers = curl_slist_append(dav_headers, request->dest);
428 dav_headers = curl_slist_append(dav_headers, "Overwrite: T");
429 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
58e60dd2
NH
430
431 if (start_active_slot(slot)) {
432 request->slot = slot;
433 request->state = RUN_MOVE;
434 } else {
435 request->state = ABORTED;
436 free(request->url);
7b899967 437 request->url = NULL;
58e60dd2
NH
438 }
439}
440
512d632c 441static int refresh_lock(struct remote_lock *lock)
75187c9d
NH
442{
443 struct active_request_slot *slot;
baa7b67d 444 struct slot_results results;
b1c7d4aa 445 struct curl_slist *dav_headers;
512d632c 446 int rc = 0;
75187c9d 447
512d632c 448 lock->refreshing = 1;
75187c9d 449
b1c7d4aa 450 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT);
75187c9d 451
512d632c
NH
452 slot = get_active_slot();
453 slot->results = &results;
ebaaf316 454 curl_setup_http_get(slot->curl, lock->url, DAV_LOCK);
512d632c 455 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
75187c9d 456
512d632c
NH
457 if (start_active_slot(slot)) {
458 run_active_slot(slot);
459 if (results.curl_result != CURLE_OK) {
460 fprintf(stderr, "LOCK HTTP error %ld\n",
461 results.http_code);
462 } else {
463 lock->start_time = time(NULL);
464 rc = 1;
465 }
466 }
aa1dbc98 467
512d632c
NH
468 lock->refreshing = 0;
469 curl_slist_free_all(dav_headers);
aa1dbc98 470
512d632c
NH
471 return rc;
472}
473
ec26b4d6 474static void check_locks(void)
512d632c 475{
7b5201a6 476 struct remote_lock *lock = repo->locks;
512d632c
NH
477 time_t current_time = time(NULL);
478 int time_remaining;
479
480 while (lock) {
481 time_remaining = lock->start_time + lock->timeout -
482 current_time;
483 if (!lock->refreshing && time_remaining < LOCK_REFRESH) {
484 if (!refresh_lock(lock)) {
485 fprintf(stderr,
486 "Unable to refresh lock for %s\n",
487 lock->url);
488 aborted = 1;
489 return;
aa1dbc98 490 }
75187c9d 491 }
512d632c 492 lock = lock->next;
75187c9d 493 }
aa1dbc98 494}
75187c9d 495
aa1dbc98
NH
496static void release_request(struct transfer_request *request)
497{
498 struct transfer_request *entry = request_queue_head;
499
500 if (request == request_queue_head) {
501 request_queue_head = request->next;
502 } else {
503 while (entry->next != NULL && entry->next != request)
504 entry = entry->next;
505 if (entry->next == request)
506 entry->next = entry->next->next;
507 }
508
8e0f7003 509 free(request->url);
aa1dbc98 510 free(request);
75187c9d
NH
511}
512
58e60dd2
NH
513static void finish_request(struct transfer_request *request)
514{
2264dfa5 515 struct http_pack_request *preq;
5424bc55 516 struct http_object_request *obj_req;
197e8951
NH
517
518 request->curl_result = request->slot->curl_result;
58e60dd2
NH
519 request->http_code = request->slot->http_code;
520 request->slot = NULL;
75187c9d 521
aa1dbc98 522 /* Keep locks active */
512d632c 523 check_locks();
75187c9d 524
58e60dd2
NH
525 if (request->headers != NULL)
526 curl_slist_free_all(request->headers);
7b899967
NH
527
528 /* URL is reused for MOVE after PUT */
529 if (request->state != RUN_PUT) {
530 free(request->url);
531 request->url = NULL;
aa1dbc98 532 }
7b899967 533
aa1dbc98 534 if (request->state == RUN_MKCOL) {
58e60dd2
NH
535 if (request->curl_result == CURLE_OK ||
536 request->http_code == 405) {
aa1dbc98 537 remote_dir_exists[request->obj->sha1[0]] = 1;
58e60dd2
NH
538 start_put(request);
539 } else {
540 fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n",
aa1dbc98 541 sha1_to_hex(request->obj->sha1),
58e60dd2
NH
542 request->curl_result, request->http_code);
543 request->state = ABORTED;
544 aborted = 1;
545 }
546 } else if (request->state == RUN_PUT) {
547 if (request->curl_result == CURLE_OK) {
548 start_move(request);
549 } else {
550 fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n",
aa1dbc98 551 sha1_to_hex(request->obj->sha1),
58e60dd2
NH
552 request->curl_result, request->http_code);
553 request->state = ABORTED;
554 aborted = 1;
555 }
556 } else if (request->state == RUN_MOVE) {
557 if (request->curl_result == CURLE_OK) {
1a703cba
NH
558 if (push_verbosely)
559 fprintf(stderr, " sent %s\n",
560 sha1_to_hex(request->obj->sha1));
aa1dbc98
NH
561 request->obj->flags |= REMOTE;
562 release_request(request);
58e60dd2
NH
563 } else {
564 fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n",
aa1dbc98 565 sha1_to_hex(request->obj->sha1),
58e60dd2
NH
566 request->curl_result, request->http_code);
567 request->state = ABORTED;
568 aborted = 1;
569 }
197e8951 570 } else if (request->state == RUN_FETCH_LOOSE) {
5424bc55 571 obj_req = (struct http_object_request *)request->userData;
197e8951 572
5424bc55
TRC
573 if (finish_http_object_request(obj_req) == 0)
574 if (obj_req->rename == 0)
575 request->obj->flags |= (LOCAL | REMOTE);
197e8951
NH
576
577 /* Try fetching packed if necessary */
5424bc55
TRC
578 if (request->obj->flags & LOCAL) {
579 release_http_object_request(obj_req);
197e8951 580 release_request(request);
5424bc55 581 } else
197e8951
NH
582 start_fetch_packed(request);
583
584 } else if (request->state == RUN_FETCH_PACKED) {
2264dfa5 585 int fail = 1;
197e8951
NH
586 if (request->curl_result != CURLE_OK) {
587 fprintf(stderr, "Unable to get pack file %s\n%s",
588 request->url, curl_errorstr);
197e8951 589 } else {
2264dfa5
TRC
590 preq = (struct http_pack_request *)request->userData;
591
592 if (preq) {
609621a4 593 if (finish_http_pack_request(preq) == 0)
2264dfa5
TRC
594 fail = 0;
595 release_http_pack_request(preq);
197e8951
NH
596 }
597 }
2264dfa5
TRC
598 if (fail)
599 repo->can_update_info_refs = 0;
197e8951 600 release_request(request);
58e60dd2
NH
601 }
602}
603
b3ca4e4e 604#ifdef USE_CURL_MULTI
4f66250d 605static int is_running_queue;
fc57b6aa 606static int fill_active_slot(void *unused)
58e60dd2 607{
8e24cbae 608 struct transfer_request *request;
58e60dd2 609
4f66250d 610 if (aborted || !is_running_queue)
45c17412 611 return 0;
58e60dd2 612
45c17412 613 for (request = request_queue_head; request; request = request->next) {
197e8951
NH
614 if (request->state == NEED_FETCH) {
615 start_fetch_loose(request);
45c17412 616 return 1;
197e8951 617 } else if (pushing && request->state == NEED_PUSH) {
aa1dbc98 618 if (remote_dir_exists[request->obj->sha1[0]] == 1) {
0dd276b8 619 start_put(request);
aa1dbc98 620 } else {
0dd276b8 621 start_mkcol(request);
aa1dbc98 622 }
45c17412 623 return 1;
58e60dd2 624 }
aa1dbc98 625 }
45c17412 626 return 0;
58e60dd2 627}
b3ca4e4e 628#endif
58e60dd2 629
aa1dbc98
NH
630static void get_remote_object_list(unsigned char parent);
631
197e8951
NH
632static void add_fetch_request(struct object *obj)
633{
634 struct transfer_request *request;
635
636 check_locks();
637
638 /*
639 * Don't fetch the object if it's known to exist locally
640 * or is already in the request queue
641 */
642 if (remote_dir_exists[obj->sha1[0]] == -1)
643 get_remote_object_list(obj->sha1[0]);
644 if (obj->flags & (LOCAL | FETCHING))
645 return;
646
647 obj->flags |= FETCHING;
648 request = xmalloc(sizeof(*request));
649 request->obj = obj;
650 request->url = NULL;
651 request->lock = NULL;
652 request->headers = NULL;
197e8951
NH
653 request->state = NEED_FETCH;
654 request->next = request_queue_head;
655 request_queue_head = request;
656
b3ca4e4e 657#ifdef USE_CURL_MULTI
197e8951
NH
658 fill_active_slots();
659 step_active_slots();
b3ca4e4e 660#endif
197e8951
NH
661}
662
1a703cba 663static int add_send_request(struct object *obj, struct remote_lock *lock)
58e60dd2 664{
3def06e6 665 struct transfer_request *request;
58e60dd2 666 struct packed_git *target;
58e60dd2 667
512d632c
NH
668 /* Keep locks active */
669 check_locks();
670
aa1dbc98
NH
671 /*
672 * Don't push the object if it's known to exist on the remote
673 * or is already in the request queue
674 */
675 if (remote_dir_exists[obj->sha1[0]] == -1)
676 get_remote_object_list(obj->sha1[0]);
677 if (obj->flags & (REMOTE | PUSHING))
1a703cba 678 return 0;
7b5201a6 679 target = find_sha1_pack(obj->sha1, repo->packs);
aa1dbc98
NH
680 if (target) {
681 obj->flags |= REMOTE;
1a703cba 682 return 0;
aa1dbc98 683 }
58e60dd2 684
aa1dbc98 685 obj->flags |= PUSHING;
58e60dd2 686 request = xmalloc(sizeof(*request));
aa1dbc98 687 request->obj = obj;
58e60dd2 688 request->url = NULL;
26349b2e 689 request->lock = lock;
58e60dd2 690 request->headers = NULL;
aa1dbc98 691 request->state = NEED_PUSH;
c17fb6ee
NH
692 request->next = request_queue_head;
693 request_queue_head = request;
29508e1e 694
b3ca4e4e 695#ifdef USE_CURL_MULTI
29508e1e
NH
696 fill_active_slots();
697 step_active_slots();
b3ca4e4e 698#endif
1a703cba
NH
699
700 return 1;
58e60dd2
NH
701}
702
f4f440a0 703static int fetch_indices(void)
58e60dd2 704{
b8caac2b 705 int ret;
58e60dd2 706
58e60dd2
NH
707 if (push_verbosely)
708 fprintf(stderr, "Getting pack list\n");
1a703cba 709
b8caac2b
TRC
710 switch (http_get_info_packs(repo->url, &repo->packs)) {
711 case HTTP_OK:
712 case HTTP_MISSING_TARGET:
713 ret = 0;
714 break;
715 default:
716 ret = -1;
58e60dd2
NH
717 }
718
b8caac2b 719 return ret;
58e60dd2
NH
720}
721
aa1dbc98
NH
722static void one_remote_object(const char *hex)
723{
724 unsigned char sha1[20];
725 struct object *obj;
726
727 if (get_sha1_hex(hex, sha1) != 0)
728 return;
729
730 obj = lookup_object(sha1);
731 if (!obj)
732 obj = parse_object(sha1);
733
734 /* Ignore remote objects that don't exist locally */
735 if (!obj)
736 return;
737
738 obj->flags |= REMOTE;
739 if (!object_list_contains(objects, obj))
1f1e895f 740 object_list_insert(obj, &objects);
aa1dbc98
NH
741}
742
acf59575 743static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed)
26349b2e 744{
acf59575
NH
745 int *lock_flags = (int *)ctx->userData;
746
747 if (tag_closed) {
748 if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) {
749 if ((*lock_flags & DAV_PROP_LOCKEX) &&
750 (*lock_flags & DAV_PROP_LOCKWR)) {
751 *lock_flags |= DAV_LOCK_OK;
752 }
753 *lock_flags &= DAV_LOCK_OK;
754 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) {
755 *lock_flags |= DAV_PROP_LOCKWR;
756 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) {
757 *lock_flags |= DAV_PROP_LOCKEX;
758 }
759 }
26349b2e
NH
760}
761
acf59575 762static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
26349b2e 763{
aa1dbc98 764 struct remote_lock *lock = (struct remote_lock *)ctx->userData;
dfab7c14
TRC
765 git_SHA_CTX sha_ctx;
766 unsigned char lock_token_sha1[20];
acf59575
NH
767
768 if (tag_closed && ctx->cdata) {
769 if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
770 lock->owner = xmalloc(strlen(ctx->cdata) + 1);
771 strcpy(lock->owner, ctx->cdata);
772 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
59556548 773 if (starts_with(ctx->cdata, "Second-"))
acf59575
NH
774 lock->timeout =
775 strtol(ctx->cdata + 7, NULL, 10);
776 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
753bc911
KK
777 lock->token = xmalloc(strlen(ctx->cdata) + 1);
778 strcpy(lock->token, ctx->cdata);
dfab7c14
TRC
779
780 git_SHA1_Init(&sha_ctx);
781 git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token));
782 git_SHA1_Final(lock_token_sha1, &sha_ctx);
783
784 lock->tmpfile_suffix[0] = '_';
785 memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40);
acf59575 786 }
26349b2e
NH
787 }
788}
789
2aab167a 790static void one_remote_ref(const char *refname);
aa1dbc98 791
26349b2e 792static void
acf59575 793xml_start_tag(void *userData, const char *name, const char **atts)
26349b2e 794{
acf59575 795 struct xml_ctx *ctx = (struct xml_ctx *)userData;
ef9e58c8 796 const char *c = strchr(name, ':');
acf59575
NH
797 int new_len;
798
799 if (c == NULL)
800 c = name;
801 else
802 c++;
803
804 new_len = strlen(ctx->name) + strlen(c) + 2;
805
806 if (new_len > ctx->len) {
807 ctx->name = xrealloc(ctx->name, new_len);
808 ctx->len = new_len;
26349b2e 809 }
acf59575
NH
810 strcat(ctx->name, ".");
811 strcat(ctx->name, c);
26349b2e 812
4cac42b1
JH
813 free(ctx->cdata);
814 ctx->cdata = NULL;
acf59575
NH
815
816 ctx->userFunc(ctx, 0);
26349b2e
NH
817}
818
58e60dd2 819static void
acf59575 820xml_end_tag(void *userData, const char *name)
58e60dd2 821{
acf59575 822 struct xml_ctx *ctx = (struct xml_ctx *)userData;
ef9e58c8 823 const char *c = strchr(name, ':');
acf59575 824 char *ep;
58e60dd2 825
acf59575
NH
826 ctx->userFunc(ctx, 1);
827
828 if (c == NULL)
829 c = name;
830 else
831 c++;
832
833 ep = ctx->name + strlen(ctx->name) - strlen(c) - 1;
834 *ep = 0;
58e60dd2
NH
835}
836
837static void
acf59575 838xml_cdata(void *userData, const XML_Char *s, int len)
58e60dd2 839{
acf59575 840 struct xml_ctx *ctx = (struct xml_ctx *)userData;
4cac42b1 841 free(ctx->cdata);
182af834 842 ctx->cdata = xmemdupz(s, len);
58e60dd2
NH
843}
844
554fe20d 845static struct remote_lock *lock_remote(const char *path, long timeout)
58e60dd2
NH
846{
847 struct active_request_slot *slot;
baa7b67d 848 struct slot_results results;
028c2976
MH
849 struct buffer out_buffer = { STRBUF_INIT, 0 };
850 struct strbuf in_buffer = STRBUF_INIT;
58e60dd2 851 char *url;
0772b9a6 852 char *ep;
58e60dd2 853 char timeout_header[25];
512d632c 854 struct remote_lock *lock = NULL;
58e60dd2 855 struct curl_slist *dav_headers = NULL;
acf59575 856 struct xml_ctx ctx;
519d05be 857 char *escaped;
58e60dd2 858
7b5201a6
AK
859 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
860 sprintf(url, "%s%s", repo->url, path);
aa1dbc98 861
0772b9a6 862 /* Make sure leading directories exist for the remote ref */
7b5201a6 863 ep = strchr(url + strlen(repo->url) + 1, '/');
0772b9a6 864 while (ep) {
466ddf90
JS
865 char saved_character = ep[1];
866 ep[1] = '\0';
0772b9a6 867 slot = get_active_slot();
baa7b67d 868 slot->results = &results;
ebaaf316 869 curl_setup_http_get(slot->curl, url, DAV_MKCOL);
0772b9a6
NH
870 if (start_active_slot(slot)) {
871 run_active_slot(slot);
baa7b67d
NH
872 if (results.curl_result != CURLE_OK &&
873 results.http_code != 405) {
0772b9a6
NH
874 fprintf(stderr,
875 "Unable to create branch path %s\n",
876 url);
877 free(url);
878 return NULL;
879 }
880 } else {
1a703cba 881 fprintf(stderr, "Unable to start MKCOL request\n");
0772b9a6
NH
882 free(url);
883 return NULL;
884 }
466ddf90 885 ep[1] = saved_character;
0772b9a6
NH
886 ep = strchr(ep + 1, '/');
887 }
888
5cb2194a 889 escaped = xml_entities(ident_default_email());
519d05be
MH
890 strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped);
891 free(escaped);
26349b2e 892
75187c9d 893 sprintf(timeout_header, "Timeout: Second-%ld", timeout);
58e60dd2
NH
894 dav_headers = curl_slist_append(dav_headers, timeout_header);
895 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
896
897 slot = get_active_slot();
baa7b67d 898 slot->results = &results;
ebaaf316 899 curl_setup_http(slot->curl, url, DAV_LOCK, &out_buffer, fwrite_buffer);
58e60dd2 900 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
ebaaf316 901 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
58e60dd2 902
aa1dbc98 903 lock = xcalloc(1, sizeof(*lock));
aa1dbc98 904 lock->timeout = -1;
acf59575 905
58e60dd2
NH
906 if (start_active_slot(slot)) {
907 run_active_slot(slot);
baa7b67d 908 if (results.curl_result == CURLE_OK) {
472b2570
MH
909 XML_Parser parser = XML_ParserCreate(NULL);
910 enum XML_Status result;
acf59575
NH
911 ctx.name = xcalloc(10, 1);
912 ctx.len = 0;
913 ctx.cdata = NULL;
914 ctx.userFunc = handle_new_lock_ctx;
aa1dbc98 915 ctx.userData = lock;
acf59575
NH
916 XML_SetUserData(parser, &ctx);
917 XML_SetElementHandler(parser, xml_start_tag,
918 xml_end_tag);
919 XML_SetCharacterDataHandler(parser, xml_cdata);
028c2976
MH
920 result = XML_Parse(parser, in_buffer.buf,
921 in_buffer.len, 1);
acf59575
NH
922 free(ctx.name);
923 if (result != XML_STATUS_OK) {
924 fprintf(stderr, "XML error: %s\n",
925 XML_ErrorString(
926 XML_GetErrorCode(parser)));
aa1dbc98 927 lock->timeout = -1;
acf59575 928 }
472b2570 929 XML_ParserFree(parser);
58e60dd2
NH
930 }
931 } else {
1a703cba 932 fprintf(stderr, "Unable to start LOCK request\n");
58e60dd2
NH
933 }
934
acf59575 935 curl_slist_free_all(dav_headers);
028c2976
MH
936 strbuf_release(&out_buffer.buf);
937 strbuf_release(&in_buffer);
26349b2e 938
aa1dbc98 939 if (lock->token == NULL || lock->timeout <= 0) {
8e0f7003
JM
940 free(lock->token);
941 free(lock->owner);
75187c9d 942 free(url);
aa1dbc98
NH
943 free(lock);
944 lock = NULL;
acf59575 945 } else {
aa1dbc98 946 lock->url = url;
aa1dbc98 947 lock->start_time = time(NULL);
7b5201a6
AK
948 lock->next = repo->locks;
949 repo->locks = lock;
26349b2e
NH
950 }
951
aa1dbc98 952 return lock;
58e60dd2
NH
953}
954
aa1dbc98 955static int unlock_remote(struct remote_lock *lock)
58e60dd2
NH
956{
957 struct active_request_slot *slot;
baa7b67d 958 struct slot_results results;
7b5201a6 959 struct remote_lock *prev = repo->locks;
b1c7d4aa 960 struct curl_slist *dav_headers;
58e60dd2
NH
961 int rc = 0;
962
b1c7d4aa 963 dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK);
58e60dd2
NH
964
965 slot = get_active_slot();
baa7b67d 966 slot->results = &results;
ebaaf316 967 curl_setup_http_get(slot->curl, lock->url, DAV_UNLOCK);
58e60dd2
NH
968 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
969
970 if (start_active_slot(slot)) {
971 run_active_slot(slot);
baa7b67d 972 if (results.curl_result == CURLE_OK)
58e60dd2
NH
973 rc = 1;
974 else
512d632c 975 fprintf(stderr, "UNLOCK HTTP error %ld\n",
baa7b67d 976 results.http_code);
58e60dd2 977 } else {
512d632c 978 fprintf(stderr, "Unable to start UNLOCK request\n");
58e60dd2
NH
979 }
980
981 curl_slist_free_all(dav_headers);
75187c9d 982
7b5201a6
AK
983 if (repo->locks == lock) {
984 repo->locks = lock->next;
512d632c
NH
985 } else {
986 while (prev && prev->next != lock)
987 prev = prev->next;
988 if (prev)
989 prev->next = prev->next->next;
990 }
991
8e0f7003 992 free(lock->owner);
512d632c
NH
993 free(lock->url);
994 free(lock->token);
995 free(lock);
58e60dd2
NH
996
997 return rc;
998}
999
6a491a17
CB
1000static void remove_locks(void)
1001{
7b5201a6 1002 struct remote_lock *lock = repo->locks;
6a491a17
CB
1003
1004 fprintf(stderr, "Removing remote locks...\n");
1005 while (lock) {
6589ebf1 1006 struct remote_lock *next = lock->next;
6a491a17 1007 unlock_remote(lock);
6589ebf1 1008 lock = next;
6a491a17
CB
1009 }
1010}
1011
1012static void remove_locks_on_signal(int signo)
1013{
1014 remove_locks();
4a16d072 1015 sigchain_pop(signo);
6a491a17
CB
1016 raise(signo);
1017}
1018
3030baa7
NH
1019static void remote_ls(const char *path, int flags,
1020 void (*userFunc)(struct remote_ls_ctx *ls),
1021 void *userData);
aa1dbc98 1022
3030baa7
NH
1023static void process_ls_object(struct remote_ls_ctx *ls)
1024{
1025 unsigned int *parent = (unsigned int *)ls->userData;
1026 char *path = ls->dentry_name;
1027 char *obj_hex;
aa1dbc98 1028
3030baa7
NH
1029 if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) {
1030 remote_dir_exists[*parent] = 1;
1031 return;
1032 }
aa1dbc98 1033
3030baa7
NH
1034 if (strlen(path) != 49)
1035 return;
1036 path += 8;
1037 obj_hex = xmalloc(strlen(path));
eecc8367
ER
1038 /* NB: path is not null-terminated, can not use strlcpy here */
1039 memcpy(obj_hex, path, 2);
3030baa7
NH
1040 strcpy(obj_hex + 2, path + 3);
1041 one_remote_object(obj_hex);
1042 free(obj_hex);
1043}
aa1dbc98 1044
3030baa7
NH
1045static void process_ls_ref(struct remote_ls_ctx *ls)
1046{
1047 if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) {
1048 fprintf(stderr, " %s\n", ls->dentry_name);
1049 return;
1050 }
aa1dbc98 1051
3030baa7
NH
1052 if (!(ls->dentry_flags & IS_DIR))
1053 one_remote_ref(ls->dentry_name);
1054}
aa1dbc98 1055
3030baa7
NH
1056static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
1057{
1058 struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
aa1dbc98 1059
3030baa7
NH
1060 if (tag_closed) {
1061 if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
1062 if (ls->dentry_flags & IS_DIR) {
0fdadc50
TRC
1063
1064 /* ensure collection names end with slash */
1065 str_end_url_with_slash(ls->dentry_name, &ls->dentry_name);
1066
3030baa7
NH
1067 if (ls->flags & PROCESS_DIRS) {
1068 ls->userFunc(ls);
1069 }
1070 if (strcmp(ls->dentry_name, ls->path) &&
1071 ls->flags & RECURSIVE) {
1072 remote_ls(ls->dentry_name,
1073 ls->flags,
1074 ls->userFunc,
1075 ls->userData);
1076 }
1077 } else if (ls->flags & PROCESS_FILES) {
1078 ls->userFunc(ls);
aa1dbc98 1079 }
3030baa7 1080 } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
e1f33efe
KK
1081 char *path = ctx->cdata;
1082 if (*ctx->cdata == 'h') {
1083 path = strstr(path, "//");
1084 if (path) {
1085 path = strchr(path+2, '/');
1086 }
1087 }
1088 if (path) {
dfc2dcd9
TRC
1089 const char *url = repo->url;
1090 if (repo->path)
1091 url = repo->path;
1092 if (strncmp(path, url, repo->path_len))
82247e9b 1093 error("Parsed path '%s' does not match url: '%s'",
dfc2dcd9
TRC
1094 path, url);
1095 else {
1096 path += repo->path_len;
1097 ls->dentry_name = xstrdup(path);
1098 }
e1f33efe 1099 }
3030baa7
NH
1100 } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
1101 ls->dentry_flags |= IS_DIR;
aa1dbc98 1102 }
3030baa7 1103 } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
4cac42b1 1104 free(ls->dentry_name);
3030baa7
NH
1105 ls->dentry_name = NULL;
1106 ls->dentry_flags = 0;
aa1dbc98 1107 }
aa1dbc98
NH
1108}
1109
20642801
JS
1110/*
1111 * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it
1112 * should _only_ heed the information from that file, instead of trying to
1113 * determine the refs from the remote file system (badly: it does not even
1114 * know about packed-refs).
1115 */
3030baa7
NH
1116static void remote_ls(const char *path, int flags,
1117 void (*userFunc)(struct remote_ls_ctx *ls),
1118 void *userData)
aa1dbc98 1119{
7b5201a6 1120 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
aa1dbc98 1121 struct active_request_slot *slot;
baa7b67d 1122 struct slot_results results;
028c2976
MH
1123 struct strbuf in_buffer = STRBUF_INIT;
1124 struct buffer out_buffer = { STRBUF_INIT, 0 };
aa1dbc98
NH
1125 struct curl_slist *dav_headers = NULL;
1126 struct xml_ctx ctx;
3030baa7
NH
1127 struct remote_ls_ctx ls;
1128
1129 ls.flags = flags;
9befac47 1130 ls.path = xstrdup(path);
3030baa7
NH
1131 ls.dentry_name = NULL;
1132 ls.dentry_flags = 0;
1133 ls.userData = userData;
1134 ls.userFunc = userFunc;
aa1dbc98 1135
7b5201a6 1136 sprintf(url, "%s%s", repo->url, path);
aa1dbc98 1137
028c2976 1138 strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST);
aa1dbc98
NH
1139
1140 dav_headers = curl_slist_append(dav_headers, "Depth: 1");
1141 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
1142
1143 slot = get_active_slot();
baa7b67d 1144 slot->results = &results;
ebaaf316
DM
1145 curl_setup_http(slot->curl, url, DAV_PROPFIND,
1146 &out_buffer, fwrite_buffer);
aa1dbc98 1147 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
ebaaf316 1148 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
aa1dbc98
NH
1149
1150 if (start_active_slot(slot)) {
1151 run_active_slot(slot);
baa7b67d 1152 if (results.curl_result == CURLE_OK) {
472b2570
MH
1153 XML_Parser parser = XML_ParserCreate(NULL);
1154 enum XML_Status result;
aa1dbc98
NH
1155 ctx.name = xcalloc(10, 1);
1156 ctx.len = 0;
1157 ctx.cdata = NULL;
3030baa7
NH
1158 ctx.userFunc = handle_remote_ls_ctx;
1159 ctx.userData = &ls;
aa1dbc98
NH
1160 XML_SetUserData(parser, &ctx);
1161 XML_SetElementHandler(parser, xml_start_tag,
1162 xml_end_tag);
1163 XML_SetCharacterDataHandler(parser, xml_cdata);
028c2976
MH
1164 result = XML_Parse(parser, in_buffer.buf,
1165 in_buffer.len, 1);
aa1dbc98
NH
1166 free(ctx.name);
1167
1168 if (result != XML_STATUS_OK) {
1169 fprintf(stderr, "XML error: %s\n",
1170 XML_ErrorString(
1171 XML_GetErrorCode(parser)));
1172 }
472b2570 1173 XML_ParserFree(parser);
aa1dbc98
NH
1174 }
1175 } else {
3030baa7 1176 fprintf(stderr, "Unable to start PROPFIND request\n");
aa1dbc98
NH
1177 }
1178
3030baa7 1179 free(ls.path);
aa1dbc98 1180 free(url);
028c2976
MH
1181 strbuf_release(&out_buffer.buf);
1182 strbuf_release(&in_buffer);
aa1dbc98
NH
1183 curl_slist_free_all(dav_headers);
1184}
1185
3030baa7
NH
1186static void get_remote_object_list(unsigned char parent)
1187{
1188 char path[] = "objects/XX/";
1189 static const char hex[] = "0123456789abcdef";
1190 unsigned int val = parent;
1191
1192 path[8] = hex[val >> 4];
1193 path[9] = hex[val & 0xf];
1194 remote_dir_exists[val] = 0;
1195 remote_ls(path, (PROCESS_FILES | PROCESS_DIRS),
1196 process_ls_object, &val);
1197}
1198
acf59575 1199static int locking_available(void)
58e60dd2
NH
1200{
1201 struct active_request_slot *slot;
baa7b67d 1202 struct slot_results results;
028c2976
MH
1203 struct strbuf in_buffer = STRBUF_INIT;
1204 struct buffer out_buffer = { STRBUF_INIT, 0 };
58e60dd2 1205 struct curl_slist *dav_headers = NULL;
acf59575
NH
1206 struct xml_ctx ctx;
1207 int lock_flags = 0;
519d05be 1208 char *escaped;
58e60dd2 1209
519d05be
MH
1210 escaped = xml_entities(repo->url);
1211 strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped);
1212 free(escaped);
58e60dd2
NH
1213
1214 dav_headers = curl_slist_append(dav_headers, "Depth: 0");
1215 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
baa7b67d 1216
58e60dd2 1217 slot = get_active_slot();
baa7b67d 1218 slot->results = &results;
ebaaf316
DM
1219 curl_setup_http(slot->curl, repo->url, DAV_PROPFIND,
1220 &out_buffer, fwrite_buffer);
58e60dd2 1221 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
ebaaf316 1222 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
58e60dd2
NH
1223
1224 if (start_active_slot(slot)) {
1225 run_active_slot(slot);
baa7b67d 1226 if (results.curl_result == CURLE_OK) {
472b2570
MH
1227 XML_Parser parser = XML_ParserCreate(NULL);
1228 enum XML_Status result;
acf59575
NH
1229 ctx.name = xcalloc(10, 1);
1230 ctx.len = 0;
1231 ctx.cdata = NULL;
1232 ctx.userFunc = handle_lockprop_ctx;
1233 ctx.userData = &lock_flags;
1234 XML_SetUserData(parser, &ctx);
1235 XML_SetElementHandler(parser, xml_start_tag,
1236 xml_end_tag);
028c2976
MH
1237 result = XML_Parse(parser, in_buffer.buf,
1238 in_buffer.len, 1);
acf59575
NH
1239 free(ctx.name);
1240
1241 if (result != XML_STATUS_OK) {
1242 fprintf(stderr, "XML error: %s\n",
1243 XML_ErrorString(
1244 XML_GetErrorCode(parser)));
1245 lock_flags = 0;
1246 }
472b2570 1247 XML_ParserFree(parser);
325ce395 1248 if (!lock_flags)
d5c87cb4 1249 error("no DAV locking support on %s",
7b5201a6 1250 repo->url);
325ce395
JH
1251
1252 } else {
1253 error("Cannot access URL %s, return code %d",
7b5201a6 1254 repo->url, results.curl_result);
325ce395 1255 lock_flags = 0;
58e60dd2 1256 }
58e60dd2 1257 } else {
7b5201a6 1258 error("Unable to start PROPFIND request on %s", repo->url);
58e60dd2
NH
1259 }
1260
028c2976
MH
1261 strbuf_release(&out_buffer.buf);
1262 strbuf_release(&in_buffer);
acf59575
NH
1263 curl_slist_free_all(dav_headers);
1264
1265 return lock_flags;
58e60dd2
NH
1266}
1267
b5bf7cd6 1268static struct object_list **add_one_object(struct object *obj, struct object_list **p)
1f1e895f
LT
1269{
1270 struct object_list *entry = xmalloc(sizeof(struct object_list));
1271 entry->item = obj;
1272 entry->next = *p;
1273 *p = entry;
1274 return &entry->next;
1275}
1276
aa1dbc98
NH
1277static struct object_list **process_blob(struct blob *blob,
1278 struct object_list **p,
1279 struct name_path *path,
1280 const char *name)
58e60dd2 1281{
aa1dbc98 1282 struct object *obj = &blob->object;
58e60dd2 1283
aa1dbc98
NH
1284 obj->flags |= LOCAL;
1285
1286 if (obj->flags & (UNINTERESTING | SEEN))
1287 return p;
1288
1289 obj->flags |= SEEN;
1f1e895f 1290 return add_one_object(obj, p);
aa1dbc98
NH
1291}
1292
1293static struct object_list **process_tree(struct tree *tree,
1294 struct object_list **p,
1295 struct name_path *path,
1296 const char *name)
1297{
1298 struct object *obj = &tree->object;
2d9c58c6 1299 struct tree_desc desc;
4c068a98 1300 struct name_entry entry;
aa1dbc98
NH
1301 struct name_path me;
1302
1303 obj->flags |= LOCAL;
1304
1305 if (obj->flags & (UNINTERESTING | SEEN))
1306 return p;
1307 if (parse_tree(tree) < 0)
1308 die("bad tree object %s", sha1_to_hex(obj->sha1));
1309
1310 obj->flags |= SEEN;
9befac47 1311 name = xstrdup(name);
1f1e895f 1312 p = add_one_object(obj, p);
aa1dbc98
NH
1313 me.up = path;
1314 me.elem = name;
1315 me.elem_len = strlen(name);
2d9c58c6 1316
6fda5e51 1317 init_tree_desc(&desc, tree->buffer, tree->size);
2d9c58c6 1318
1bbeb4c6
JS
1319 while (tree_entry(&desc, &entry))
1320 switch (object_type(entry.mode)) {
1321 case OBJ_TREE:
4c068a98 1322 p = process_tree(lookup_tree(entry.sha1), p, &me, name);
1bbeb4c6
JS
1323 break;
1324 case OBJ_BLOB:
4c068a98 1325 p = process_blob(lookup_blob(entry.sha1), p, &me, name);
1bbeb4c6
JS
1326 break;
1327 default:
1328 /* Subproject commit - not in this repository */
1329 break;
1330 }
1331
6e454b9a 1332 free_tree_buffer(tree);
aa1dbc98 1333 return p;
58e60dd2
NH
1334}
1335
1a703cba 1336static int get_delta(struct rev_info *revs, struct remote_lock *lock)
58e60dd2 1337{
1f1e895f 1338 int i;
58e60dd2 1339 struct commit *commit;
1f1e895f 1340 struct object_list **p = &objects;
1a703cba 1341 int count = 0;
58e60dd2 1342
aa1dbc98
NH
1343 while ((commit = get_revision(revs)) != NULL) {
1344 p = process_tree(commit->tree, p, NULL, "");
1345 commit->object.flags |= LOCAL;
1346 if (!(commit->object.flags & UNINTERESTING))
1a703cba 1347 count += add_send_request(&commit->object, lock);
aa1dbc98 1348 }
58e60dd2 1349
1f1e895f
LT
1350 for (i = 0; i < revs->pending.nr; i++) {
1351 struct object_array_entry *entry = revs->pending.objects + i;
1352 struct object *obj = entry->item;
1353 const char *name = entry->name;
58e60dd2 1354
aa1dbc98
NH
1355 if (obj->flags & (UNINTERESTING | SEEN))
1356 continue;
1974632c 1357 if (obj->type == OBJ_TAG) {
aa1dbc98 1358 obj->flags |= SEEN;
1f1e895f 1359 p = add_one_object(obj, p);
aa1dbc98 1360 continue;
58e60dd2 1361 }
1974632c 1362 if (obj->type == OBJ_TREE) {
aa1dbc98
NH
1363 p = process_tree((struct tree *)obj, p, NULL, name);
1364 continue;
58e60dd2 1365 }
1974632c 1366 if (obj->type == OBJ_BLOB) {
aa1dbc98
NH
1367 p = process_blob((struct blob *)obj, p, NULL, name);
1368 continue;
58e60dd2 1369 }
aa1dbc98
NH
1370 die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
1371 }
1372
1373 while (objects) {
1374 if (!(objects->item->flags & UNINTERESTING))
1a703cba 1375 count += add_send_request(objects->item, lock);
aa1dbc98 1376 objects = objects->next;
58e60dd2 1377 }
1a703cba
NH
1378
1379 return count;
58e60dd2
NH
1380}
1381
aa1dbc98 1382static int update_remote(unsigned char *sha1, struct remote_lock *lock)
58e60dd2
NH
1383{
1384 struct active_request_slot *slot;
baa7b67d 1385 struct slot_results results;
028c2976 1386 struct buffer out_buffer = { STRBUF_INIT, 0 };
b1c7d4aa 1387 struct curl_slist *dav_headers;
58e60dd2 1388
b1c7d4aa 1389 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
58e60dd2 1390
028c2976 1391 strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
58e60dd2
NH
1392
1393 slot = get_active_slot();
baa7b67d 1394 slot->results = &results;
ebaaf316
DM
1395 curl_setup_http(slot->curl, lock->url, DAV_PUT,
1396 &out_buffer, fwrite_null);
58e60dd2 1397 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
58e60dd2
NH
1398
1399 if (start_active_slot(slot)) {
1400 run_active_slot(slot);
028c2976 1401 strbuf_release(&out_buffer.buf);
baa7b67d 1402 if (results.curl_result != CURLE_OK) {
58e60dd2
NH
1403 fprintf(stderr,
1404 "PUT error: curl result=%d, HTTP code=%ld\n",
baa7b67d 1405 results.curl_result, results.http_code);
58e60dd2
NH
1406 /* We should attempt recovery? */
1407 return 0;
1408 }
1409 } else {
028c2976 1410 strbuf_release(&out_buffer.buf);
58e60dd2
NH
1411 fprintf(stderr, "Unable to start PUT request\n");
1412 return 0;
1413 }
1414
1415 return 1;
1416}
1417
6d2bf96e 1418static struct ref *remote_refs;
aa1dbc98 1419
2aab167a 1420static void one_remote_ref(const char *refname)
aa1dbc98
NH
1421{
1422 struct ref *ref;
197e8951 1423 struct object *obj;
aa1dbc98 1424
59c69c0c 1425 ref = alloc_ref(refname);
c13b2633 1426
7b5201a6 1427 if (http_fetch_ref(repo->url, ref) != 0) {
aa1dbc98
NH
1428 fprintf(stderr,
1429 "Unable to fetch ref %s from %s\n",
7b5201a6 1430 refname, repo->url);
c13b2633 1431 free(ref);
aa1dbc98
NH
1432 return;
1433 }
1434
197e8951
NH
1435 /*
1436 * Fetch a copy of the object if it doesn't exist locally - it
1437 * may be required for updating server info later.
1438 */
7b5201a6 1439 if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
c13b2633 1440 obj = lookup_unknown_object(ref->old_sha1);
197e8951
NH
1441 if (obj) {
1442 fprintf(stderr, " fetch %s for %s\n",
c13b2633 1443 sha1_to_hex(ref->old_sha1), refname);
197e8951
NH
1444 add_fetch_request(obj);
1445 }
1446 }
1447
6d2bf96e
CB
1448 ref->next = remote_refs;
1449 remote_refs = ref;
aa1dbc98
NH
1450}
1451
aa1dbc98
NH
1452static void get_dav_remote_heads(void)
1453{
3030baa7 1454 remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
aa1dbc98
NH
1455}
1456
197e8951
NH
1457static void add_remote_info_ref(struct remote_ls_ctx *ls)
1458{
028c2976 1459 struct strbuf *buf = (struct strbuf *)ls->userData;
197e8951
NH
1460 struct object *o;
1461 int len;
1462 char *ref_info;
c13b2633
DB
1463 struct ref *ref;
1464
59c69c0c 1465 ref = alloc_ref(ls->dentry_name);
197e8951 1466
7b5201a6 1467 if (http_fetch_ref(repo->url, ref) != 0) {
197e8951
NH
1468 fprintf(stderr,
1469 "Unable to fetch ref %s from %s\n",
7b5201a6 1470 ls->dentry_name, repo->url);
197e8951 1471 aborted = 1;
c13b2633 1472 free(ref);
197e8951
NH
1473 return;
1474 }
1475
c13b2633 1476 o = parse_object(ref->old_sha1);
197e8951
NH
1477 if (!o) {
1478 fprintf(stderr,
1479 "Unable to parse object %s for remote ref %s\n",
c13b2633 1480 sha1_to_hex(ref->old_sha1), ls->dentry_name);
197e8951 1481 aborted = 1;
c13b2633 1482 free(ref);
197e8951
NH
1483 return;
1484 }
1485
1486 len = strlen(ls->dentry_name) + 42;
1487 ref_info = xcalloc(len + 1, 1);
1488 sprintf(ref_info, "%s %s\n",
c13b2633 1489 sha1_to_hex(ref->old_sha1), ls->dentry_name);
197e8951
NH
1490 fwrite_buffer(ref_info, 1, len, buf);
1491 free(ref_info);
1492
1974632c 1493 if (o->type == OBJ_TAG) {
197e8951
NH
1494 o = deref_tag(o, ls->dentry_name, 0);
1495 if (o) {
1496 len = strlen(ls->dentry_name) + 45;
1497 ref_info = xcalloc(len + 1, 1);
1498 sprintf(ref_info, "%s %s^{}\n",
1499 sha1_to_hex(o->sha1), ls->dentry_name);
1500 fwrite_buffer(ref_info, 1, len, buf);
1501 free(ref_info);
1502 }
1503 }
c13b2633 1504 free(ref);
197e8951
NH
1505}
1506
1507static void update_remote_info_refs(struct remote_lock *lock)
1508{
028c2976 1509 struct buffer buffer = { STRBUF_INIT, 0 };
197e8951
NH
1510 struct active_request_slot *slot;
1511 struct slot_results results;
b1c7d4aa 1512 struct curl_slist *dav_headers;
197e8951 1513
197e8951 1514 remote_ls("refs/", (PROCESS_FILES | RECURSIVE),
028c2976 1515 add_remote_info_ref, &buffer.buf);
197e8951 1516 if (!aborted) {
b1c7d4aa 1517 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
197e8951
NH
1518
1519 slot = get_active_slot();
1520 slot->results = &results;
ebaaf316
DM
1521 curl_setup_http(slot->curl, lock->url, DAV_PUT,
1522 &buffer, fwrite_null);
197e8951 1523 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
197e8951 1524
197e8951
NH
1525 if (start_active_slot(slot)) {
1526 run_active_slot(slot);
1527 if (results.curl_result != CURLE_OK) {
1528 fprintf(stderr,
1529 "PUT error: curl result=%d, HTTP code=%ld\n",
1530 results.curl_result, results.http_code);
1531 }
1532 }
197e8951 1533 }
028c2976 1534 strbuf_release(&buffer.buf);
197e8951
NH
1535}
1536
1537static int remote_exists(const char *path)
1538{
7b5201a6 1539 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
446b941a 1540 int ret;
197e8951 1541
7b5201a6 1542 sprintf(url, "%s%s", repo->url, path);
197e8951 1543
1bbcc224 1544 switch (http_get_strbuf(url, NULL, NULL)) {
446b941a
MH
1545 case HTTP_OK:
1546 ret = 1;
1547 break;
1548 case HTTP_MISSING_TARGET:
1549 ret = 0;
1550 break;
1551 case HTTP_ERROR:
4df13f69 1552 error("unable to access '%s': %s", url, curl_errorstr);
446b941a
MH
1553 default:
1554 ret = -1;
197e8951 1555 }
3a462bc9
MH
1556 free(url);
1557 return ret;
197e8951
NH
1558}
1559
554fe20d 1560static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
3dfaf7bc
NH
1561{
1562 char *url;
028c2976 1563 struct strbuf buffer = STRBUF_INIT;
3dfaf7bc 1564
7b5201a6
AK
1565 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1566 sprintf(url, "%s%s", repo->url, path);
3dfaf7bc 1567
1bbcc224 1568 if (http_get_strbuf(url, &buffer, NULL) != HTTP_OK)
9af5abd9
MH
1569 die("Couldn't get %s for remote symref\n%s", url,
1570 curl_errorstr);
3dfaf7bc
NH
1571 free(url);
1572
8e0f7003 1573 free(*symref);
3dfaf7bc 1574 *symref = NULL;
a8e0d16d 1575 hashclr(sha1);
3dfaf7bc 1576
028c2976 1577 if (buffer.len == 0)
3dfaf7bc
NH
1578 return;
1579
1580 /* If it's a symref, set the refname; otherwise try for a sha1 */
59556548 1581 if (starts_with((char *)buffer.buf, "ref: ")) {
028c2976 1582 *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6);
3dfaf7bc 1583 } else {
028c2976 1584 get_sha1_hex(buffer.buf, sha1);
3dfaf7bc
NH
1585 }
1586
028c2976 1587 strbuf_release(&buffer);
3dfaf7bc
NH
1588}
1589
baf18fc2 1590static int verify_merge_base(unsigned char *head_sha1, struct ref *remote)
3dfaf7bc 1591{
baf18fc2
NTND
1592 struct commit *head = lookup_commit_or_die(head_sha1, "HEAD");
1593 struct commit *branch = lookup_commit_or_die(remote->old_sha1, remote->name);
3dfaf7bc 1594
65712251 1595 return in_merge_bases(branch, head);
3dfaf7bc
NH
1596}
1597
2aab167a 1598static int delete_remote_branch(const char *pattern, int force)
3dfaf7bc
NH
1599{
1600 struct ref *refs = remote_refs;
1601 struct ref *remote_ref = NULL;
1602 unsigned char head_sha1[20];
1603 char *symref = NULL;
1604 int match;
1605 int patlen = strlen(pattern);
1606 int i;
1607 struct active_request_slot *slot;
1608 struct slot_results results;
1609 char *url;
1610
1611 /* Find the remote branch(es) matching the specified branch name */
1612 for (match = 0; refs; refs = refs->next) {
1613 char *name = refs->name;
1614 int namelen = strlen(name);
1615 if (namelen < patlen ||
1616 memcmp(name + namelen - patlen, pattern, patlen))
1617 continue;
1618 if (namelen != patlen && name[namelen - patlen - 1] != '/')
1619 continue;
1620 match++;
1621 remote_ref = refs;
1622 }
1623 if (match == 0)
1624 return error("No remote branch matches %s", pattern);
1625 if (match != 1)
1626 return error("More than one remote branch matches %s",
1627 pattern);
1628
1629 /*
1630 * Remote HEAD must be a symref (not exactly foolproof; a remote
1631 * symlink to a symref will look like a symref)
1632 */
1633 fetch_symref("HEAD", &symref, head_sha1);
1634 if (!symref)
1635 return error("Remote HEAD is not a symref");
1636
1637 /* Remote branch must not be the remote HEAD */
cd2b8ae9 1638 for (i = 0; symref && i < MAXDEPTH; i++) {
3dfaf7bc
NH
1639 if (!strcmp(remote_ref->name, symref))
1640 return error("Remote branch %s is the current HEAD",
1641 remote_ref->name);
1642 fetch_symref(symref, &symref, head_sha1);
1643 }
1644
1645 /* Run extra sanity checks if delete is not forced */
1646 if (!force) {
1647 /* Remote HEAD must resolve to a known object */
1648 if (symref)
1649 return error("Remote HEAD symrefs too deep");
0bf8c1f9 1650 if (is_null_sha1(head_sha1))
3dfaf7bc
NH
1651 return error("Unable to resolve remote HEAD");
1652 if (!has_sha1_file(head_sha1))
1653 return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
1654
1655 /* Remote branch must resolve to a known object */
0bf8c1f9 1656 if (is_null_sha1(remote_ref->old_sha1))
3dfaf7bc
NH
1657 return error("Unable to resolve remote branch %s",
1658 remote_ref->name);
1659 if (!has_sha1_file(remote_ref->old_sha1))
1660 return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1));
1661
1662 /* Remote branch must be an ancestor of remote HEAD */
baf18fc2 1663 if (!verify_merge_base(head_sha1, remote_ref)) {
00ae8289
BF
1664 return error("The branch '%s' is not an ancestor "
1665 "of your current HEAD.\n"
1666 "If you are sure you want to delete it,"
1667 " run:\n\t'git http-push -D %s %s'",
7b5201a6 1668 remote_ref->name, repo->url, pattern);
3dfaf7bc
NH
1669 }
1670 }
1671
1672 /* Send delete request */
1673 fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
6eaf4060
CB
1674 if (dry_run)
1675 return 0;
7b5201a6
AK
1676 url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1);
1677 sprintf(url, "%s%s", repo->url, remote_ref->name);
3dfaf7bc
NH
1678 slot = get_active_slot();
1679 slot->results = &results;
ebaaf316 1680 curl_setup_http_get(slot->curl, url, DAV_DELETE);
3dfaf7bc
NH
1681 if (start_active_slot(slot)) {
1682 run_active_slot(slot);
1683 free(url);
1684 if (results.curl_result != CURLE_OK)
82247e9b 1685 return error("DELETE request failed (%d/%ld)",
3dfaf7bc
NH
1686 results.curl_result, results.http_code);
1687 } else {
1688 free(url);
1689 return error("Unable to start DELETE request");
1690 }
1691
1692 return 0;
1693}
1694
2af202be 1695static void run_request_queue(void)
4f66250d
TRC
1696{
1697#ifdef USE_CURL_MULTI
1698 is_running_queue = 1;
1699 fill_active_slots();
1700 add_fill_function(NULL, fill_active_slot);
1701#endif
1702 do {
1703 finish_all_active_slots();
1704#ifdef USE_CURL_MULTI
1705 fill_active_slots();
1706#endif
1707 } while (request_queue_head && !aborted);
1708
1709#ifdef USE_CURL_MULTI
1710 is_running_queue = 0;
1711#endif
1712}
1713
58e60dd2
NH
1714int main(int argc, char **argv)
1715{
58e60dd2
NH
1716 struct transfer_request *request;
1717 struct transfer_request *next_request;
1718 int nr_refspec = 0;
1719 char **refspec = NULL;
512d632c 1720 struct remote_lock *ref_lock = NULL;
197e8951 1721 struct remote_lock *info_ref_lock = NULL;
aa1dbc98 1722 struct rev_info revs;
3dfaf7bc
NH
1723 int delete_branch = 0;
1724 int force_delete = 0;
1a703cba 1725 int objects_to_send;
58e60dd2
NH
1726 int rc = 0;
1727 int i;
8c9e7947 1728 int new_refs;
454e2025 1729 struct ref *ref, *local_refs;
58e60dd2 1730
5e9637c6
ÆAB
1731 git_setup_gettext();
1732
2fb3f6db
SP
1733 git_extract_argv0_path(argv[0]);
1734
7b5201a6 1735 repo = xcalloc(sizeof(*repo), 1);
58e60dd2
NH
1736
1737 argv++;
1738 for (i = 1; i < argc; i++, argv++) {
1739 char *arg = *argv;
1740
1741 if (*arg == '-') {
aa1dbc98 1742 if (!strcmp(arg, "--all")) {
28b9d6e5 1743 push_all = MATCH_REFS_ALL;
58e60dd2
NH
1744 continue;
1745 }
1746 if (!strcmp(arg, "--force")) {
1747 force_all = 1;
1748 continue;
1749 }
fe5d1d3e
SP
1750 if (!strcmp(arg, "--dry-run")) {
1751 dry_run = 1;
1752 continue;
1753 }
ae4efe19
SP
1754 if (!strcmp(arg, "--helper-status")) {
1755 helper_status = 1;
1756 continue;
1757 }
58e60dd2
NH
1758 if (!strcmp(arg, "--verbose")) {
1759 push_verbosely = 1;
e9176745 1760 http_is_verbose = 1;
58e60dd2
NH
1761 continue;
1762 }
3dfaf7bc
NH
1763 if (!strcmp(arg, "-d")) {
1764 delete_branch = 1;
1765 continue;
1766 }
1767 if (!strcmp(arg, "-D")) {
1768 delete_branch = 1;
1769 force_delete = 1;
1770 continue;
1771 }
548d3464
JN
1772 if (!strcmp(arg, "-h"))
1773 usage(http_push_usage);
58e60dd2 1774 }
7b5201a6 1775 if (!repo->url) {
aa1dbc98 1776 char *path = strstr(arg, "//");
1462d1af
TRC
1777 str_end_url_with_slash(arg, &repo->url);
1778 repo->path_len = strlen(repo->url);
aa1dbc98 1779 if (path) {
7b5201a6
AK
1780 repo->path = strchr(path+2, '/');
1781 if (repo->path)
1782 repo->path_len = strlen(repo->path);
aa1dbc98 1783 }
58e60dd2
NH
1784 continue;
1785 }
1786 refspec = argv;
1787 nr_refspec = argc - i;
1788 break;
1789 }
1790
f854824b
GB
1791#ifndef USE_CURL_MULTI
1792 die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
1793#endif
1794
7b5201a6 1795 if (!repo->url)
3e9fabc8
NH
1796 usage(http_push_usage);
1797
3dfaf7bc
NH
1798 if (delete_branch && nr_refspec != 1)
1799 die("You must specify only one branch name when deleting a remote branch");
1800
548d3464
JN
1801 setup_git_directory();
1802
aa1dbc98 1803 memset(remote_dir_exists, -1, 256);
0dd276b8 1804
a4ddbc33 1805 http_init(NULL, repo->url, 1);
58e60dd2 1806
68862a31 1807#ifdef USE_CURL_MULTI
4f66250d 1808 is_running_queue = 0;
68862a31 1809#endif
4f66250d 1810
58e60dd2 1811 /* Verify DAV compliance/lock support */
acf59575 1812 if (!locking_available()) {
58e60dd2
NH
1813 rc = 1;
1814 goto cleanup;
1815 }
1816
57b235a4 1817 sigchain_push_common(remove_locks_on_signal);
6a491a17 1818
197e8951 1819 /* Check whether the remote has server info files */
7b5201a6
AK
1820 repo->can_update_info_refs = 0;
1821 repo->has_info_refs = remote_exists("info/refs");
1822 repo->has_info_packs = remote_exists("objects/info/packs");
1823 if (repo->has_info_refs) {
197e8951
NH
1824 info_ref_lock = lock_remote("info/refs", LOCK_TIME);
1825 if (info_ref_lock)
7b5201a6 1826 repo->can_update_info_refs = 1;
9bdbabad 1827 else {
d5c87cb4 1828 error("cannot lock existing info/refs");
9bdbabad
GB
1829 rc = 1;
1830 goto cleanup;
1831 }
197e8951 1832 }
7b5201a6 1833 if (repo->has_info_packs)
197e8951
NH
1834 fetch_indices();
1835
aa1dbc98 1836 /* Get a list of all local and remote heads to validate refspecs */
454e2025 1837 local_refs = get_local_heads();
aa1dbc98
NH
1838 fprintf(stderr, "Fetching remote heads...\n");
1839 get_dav_remote_heads();
4f66250d 1840 run_request_queue();
aa1dbc98 1841
3dfaf7bc
NH
1842 /* Remove a remote branch if -d or -D was specified */
1843 if (delete_branch) {
ae4efe19 1844 if (delete_remote_branch(refspec[0], force_delete) == -1) {
3dfaf7bc
NH
1845 fprintf(stderr, "Unable to delete remote branch %s\n",
1846 refspec[0]);
ae4efe19
SP
1847 if (helper_status)
1848 printf("error %s cannot remove\n", refspec[0]);
1849 }
3dfaf7bc
NH
1850 goto cleanup;
1851 }
1852
aa1dbc98 1853 /* match them up */
29753cdd
JH
1854 if (match_push_refs(local_refs, &remote_refs,
1855 nr_refspec, (const char **) refspec, push_all)) {
9116de59
GB
1856 rc = -1;
1857 goto cleanup;
1858 }
aa1dbc98
NH
1859 if (!remote_refs) {
1860 fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
ae4efe19
SP
1861 if (helper_status)
1862 printf("error null no match\n");
9116de59
GB
1863 rc = 0;
1864 goto cleanup;
aa1dbc98
NH
1865 }
1866
8c9e7947 1867 new_refs = 0;
aa1dbc98
NH
1868 for (ref = remote_refs; ref; ref = ref->next) {
1869 char old_hex[60], *new_hex;
a80aad7b 1870 const char *commit_argv[5];
8c9e7947
JH
1871 int commit_argc;
1872 char *new_sha1_hex, *old_sha1_hex;
1873
aa1dbc98
NH
1874 if (!ref->peer_ref)
1875 continue;
6eaf4060 1876
0bf8c1f9 1877 if (is_null_sha1(ref->peer_ref->new_sha1)) {
6eaf4060
CB
1878 if (delete_remote_branch(ref->name, 1) == -1) {
1879 error("Could not remove %s", ref->name);
ae4efe19
SP
1880 if (helper_status)
1881 printf("error %s cannot remove\n", ref->name);
6eaf4060
CB
1882 rc = -4;
1883 }
ae4efe19
SP
1884 else if (helper_status)
1885 printf("ok %s\n", ref->name);
6eaf4060
CB
1886 new_refs++;
1887 continue;
1888 }
1889
a89fccd2 1890 if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
b5e59989 1891 if (push_verbosely)
aa1dbc98 1892 fprintf(stderr, "'%s': up-to-date\n", ref->name);
ae4efe19
SP
1893 if (helper_status)
1894 printf("ok %s up to date\n", ref->name);
aa1dbc98
NH
1895 continue;
1896 }
1897
1898 if (!force_all &&
0bf8c1f9 1899 !is_null_sha1(ref->old_sha1) &&
aa1dbc98
NH
1900 !ref->force) {
1901 if (!has_sha1_file(ref->old_sha1) ||
1902 !ref_newer(ref->peer_ref->new_sha1,
1903 ref->old_sha1)) {
00ae8289
BF
1904 /*
1905 * We do not have the remote ref, or
aa1dbc98
NH
1906 * we know that the remote ref is not
1907 * an ancestor of what we are trying to
1908 * push. Either way this can be losing
1909 * commits at the remote end and likely
1910 * we were not up to date to begin with.
1911 */
00ae8289
BF
1912 error("remote '%s' is not an ancestor of\n"
1913 "local '%s'.\n"
1914 "Maybe you are not up-to-date and "
aa1dbc98
NH
1915 "need to pull first?",
1916 ref->name,
1917 ref->peer_ref->name);
ae4efe19
SP
1918 if (helper_status)
1919 printf("error %s non-fast forward\n", ref->name);
1a703cba 1920 rc = -2;
aa1dbc98
NH
1921 continue;
1922 }
58e60dd2 1923 }
e702496e 1924 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
aa1dbc98
NH
1925 new_refs++;
1926 strcpy(old_hex, sha1_to_hex(ref->old_sha1));
1927 new_hex = sha1_to_hex(ref->new_sha1);
1928
1929 fprintf(stderr, "updating '%s'", ref->name);
1930 if (strcmp(ref->name, ref->peer_ref->name))
1931 fprintf(stderr, " using '%s'", ref->peer_ref->name);
1932 fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
ae4efe19
SP
1933 if (dry_run) {
1934 if (helper_status)
1935 printf("ok %s\n", ref->name);
fe5d1d3e 1936 continue;
ae4efe19 1937 }
58e60dd2
NH
1938
1939 /* Lock remote branch ref */
aa1dbc98
NH
1940 ref_lock = lock_remote(ref->name, LOCK_TIME);
1941 if (ref_lock == NULL) {
58e60dd2 1942 fprintf(stderr, "Unable to lock remote branch %s\n",
aa1dbc98 1943 ref->name);
ae4efe19
SP
1944 if (helper_status)
1945 printf("error %s lock error\n", ref->name);
58e60dd2
NH
1946 rc = 1;
1947 continue;
1948 }
1949
aa1dbc98 1950 /* Set up revision info for this refspec */
8c9e7947 1951 commit_argc = 3;
9befac47 1952 new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
8c9e7947 1953 old_sha1_hex = NULL;
5241bfe6
NH
1954 commit_argv[1] = "--objects";
1955 commit_argv[2] = new_sha1_hex;
0bf8c1f9 1956 if (!push_all && !is_null_sha1(ref->old_sha1)) {
aa1dbc98
NH
1957 old_sha1_hex = xmalloc(42);
1958 sprintf(old_sha1_hex, "^%s",
1959 sha1_to_hex(ref->old_sha1));
5241bfe6 1960 commit_argv[3] = old_sha1_hex;
aa1dbc98 1961 commit_argc++;
58e60dd2 1962 }
a80aad7b 1963 commit_argv[commit_argc] = NULL;
db6296a5 1964 init_revisions(&revs, setup_git_directory());
aa1dbc98 1965 setup_revisions(commit_argc, commit_argv, &revs, NULL);
d633c882 1966 revs.edge_hint = 0; /* just in case */
aa1dbc98
NH
1967 free(new_sha1_hex);
1968 if (old_sha1_hex) {
1969 free(old_sha1_hex);
1970 commit_argv[1] = NULL;
58e60dd2
NH
1971 }
1972
aa1dbc98 1973 /* Generate a list of objects that need to be pushed */
58e60dd2 1974 pushing = 0;
3d51e1b5
MK
1975 if (prepare_revision_walk(&revs))
1976 die("revision walk setup failed");
e76a5fb4 1977 mark_edges_uninteresting(&revs, NULL);
1a703cba 1978 objects_to_send = get_delta(&revs, ref_lock);
29508e1e 1979 finish_all_active_slots();
58e60dd2
NH
1980
1981 /* Push missing objects to remote, this would be a
1982 convenient time to pack them first if appropriate. */
1983 pushing = 1;
1a703cba
NH
1984 if (objects_to_send)
1985 fprintf(stderr, " sending %d objects\n",
1986 objects_to_send);
4f66250d
TRC
1987
1988 run_request_queue();
58e60dd2
NH
1989
1990 /* Update the remote branch if all went well */
7fea9c55 1991 if (aborted || !update_remote(ref->new_sha1, ref_lock))
aa1dbc98 1992 rc = 1;
58e60dd2 1993
aa1dbc98
NH
1994 if (!rc)
1995 fprintf(stderr, " done\n");
ae4efe19
SP
1996 if (helper_status)
1997 printf("%s %s\n", !rc ? "ok" : "error", ref->name);
aa1dbc98 1998 unlock_remote(ref_lock);
512d632c 1999 check_locks();
58e60dd2
NH
2000 }
2001
197e8951 2002 /* Update remote server info if appropriate */
7b5201a6
AK
2003 if (repo->has_info_refs && new_refs) {
2004 if (info_ref_lock && repo->can_update_info_refs) {
197e8951 2005 fprintf(stderr, "Updating remote server info\n");
fe5d1d3e
SP
2006 if (!dry_run)
2007 update_remote_info_refs(info_ref_lock);
197e8951
NH
2008 } else {
2009 fprintf(stderr, "Unable to update server info\n");
2010 }
2011 }
197e8951 2012
58e60dd2 2013 cleanup:
9116de59
GB
2014 if (info_ref_lock)
2015 unlock_remote(info_ref_lock);
7b5201a6 2016 free(repo);
58e60dd2 2017
29508e1e 2018 http_cleanup();
58e60dd2
NH
2019
2020 request = request_queue_head;
2021 while (request != NULL) {
2022 next_request = request->next;
2023 release_request(request);
58e60dd2
NH
2024 request = next_request;
2025 }
2026
58e60dd2
NH
2027 return rc;
2028}